What battery number is aaa?

The seventh. Generally divided into: No.65438+No.0.2.3.5.7, among which No.5 and No.7 are particularly commonly used. The so-called AA battery is the No.5 battery and the AAA battery is the No.7 battery.

The diameter of type D battery (large battery /LR20/AM 1) is Ф 34.2; Height 61.5mm.

The diameter of type C battery (No.2 battery /LR 14/AM2) is Ф 26.2; Height 50.0 mm

The diameter of AA battery (No.5 battery /LR6/AM3) is Ф14.5; Height 50.5 mm

The diameter of AAA battery (No.7 battery /LR03/AM4) is Ф10.5; Height 44.5 mm

The diameter of AA/2 battery (No.8 battery LR 1/AM5) is Ф11.0; Height 30.0 mm

The diameter of AAAA battery (No.9 battery /LR6 1/AM6) is Ф 8.0; Height 39.5 mm

The diameter of AAAA/No.2 battery (No.9 battery /LR6 1/AM6) is Ф 8.0; Height 28.0 mm

Extended data

Talk about the common "AAAA, AAA, AA, A, SC, C, D, N, F" modes.

There are few AAAA models, and you can occasionally see disposable AAAA alkaline batteries, which are generally used in computer pens. The standard AAAA (flat head) battery has a height of 41.5 0.5mm and a diameter of 8.1.2mm..

AAA batteries are more common. Most MP3 batteries used to be AAA batteries. The height of standard AAA (flat head) battery is 43.6 0.5 mm and the diameter is10.10.2 mm.

AA batteries are well known. Digital cameras and electric toys are indispensable. The height of standard AA (flat head) battery is 48.0 0.5mm, and the diameter is14.10.2mm..

It is not common to use only one battery. This series is usually used as the battery cell in the battery pack. The Ni-Cd and Ni-MH batteries of old cameras are almost all 4/5A or 4/5SC batteries. The height of standard A (flat head) battery is 49.0 0.5 mm, and the diameter is16.8 0.2 mm. ..

SC mode is not common either. Generally, it is the battery cell in the battery pack, which can be seen in power tools, cameras and imported equipment. The standard SC (flat head) battery has a height of 42.0 0.5mm and a diameter of 22.10.2mm..